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# JESUS DAVID ARIZA ROYETH

##### Last seen: 7일 전
266 2015 이후 총 참여 횟수

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Add value in a matrix
ZORD=sortrows(Z',4)'; [~,~,C]=unique(ZORD(end,:)); ZFIN=[ZORD; C']

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how to know if a char vector contains unwanted characters?
y=["5","6","10"];%y example condition=all(ismember(y,x))

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How to eliminate duplicate rows in an array without changing their orders?
D=unique(DOM,'rows','stable')

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Convert Matlab CNN to c# to be used in .net desktop app.
yes you can Generate a .NET Assembly and Build a .NET Application with Matlab Compiler you can use the exportONNXNetwork funct...

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How to extract some rows from a matrix and put them in another matrix?
setdiff(Q,N,'rows')

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Deleting a row y from a matrix
A(all(A==y,2),:)=[] edit previous versions: A(all(A==repmat(y,size(A,1),1),2),:)=[]

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Filtrar datos cada n pasos en el tiempo de una matriz
matrizoriginal=0:0.0001:49 ; nuevamatriz=matrizoriginal(1:1000:end)

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buenas alguien sabe como puedo poner en una formula numeros aleatorios normalmente distribuidos?
mira la documentación : https://la.mathworks.com/help/matlab/ref/randn.html números aleatorios normalmente distribuidos : n=...

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Alguien me puede ayudar excel y matlab
para el que le sirva aquí está la documentación oficial para plotear funciones de transferencia y las respuestas del sistema : h...

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Sum of integers up to n using a while loop
try it yourself with a for (see documentation) https://www.mathworks.com/help/matlab/ref/for.html You can be guided by this ex...

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Octave--compare two matrix
M=A(ismember(A,B,"rows"),:)

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Why sometimes we place an empty brackets inside function inputs?
means that the second value the function receives is empty, in both cases if you give a value to that second parameter to "min"...

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how to fix this upper directory link?
File_W = fullfile(app.Path, '..', 'MyFolder', [fileName, '_myFormat_.xlsx']); writetable(T1, File_W); a=dir(File_W); namefold...

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Datetime problem of converting string
hh is uppercase D=datetime('2019/09/05 19:02:11', 'InputFormat','yyyy/MM/dd HH:mm:ss')

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Error : Subscript indices must either be real positive integers or logicals.
you missed a "*" here : 2*g1*(2*..... and many "." ./ g1 = 1.4; R1 = 287; T = 283.15; g4 = 1.667; R2 = 2077; a1 = sqr...

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How to find the position of a row in an array
rows=find(all(R==S,2))

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Matrix Input Layer for Deep Neural Networks
The wonderful thing about Matlab is that almost everything is seen as matrices or vectors, in fact this is not a disadvantage bu...

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Sum all integers from 1 to 2^n
Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.

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Magic is simple (for beginners)
Determine for a magic square of order n, the magic sum m. For example m=15 for a magic square of order 3.

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Make a random, non-repeating vector.
This is a basic MATLAB operation. It is for instructional purposes. --- If you want to get a random permutation of integer...

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Roll the Dice!
*Description* Return two random integers between 1 and 6, inclusive, to simulate rolling 2 dice. *Example* [x1,x2] =...

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Number of 1s in a binary string
Find the number of 1s in the given binary string. Example. If the input string is '1100101', the output is 4. If the input stri...

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Return the first and last character of a string
Return the first and last character of a string, concatenated together. If there is only one character in the string, the functi...

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Create times-tables
At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...

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Getting the indices from a vector
This is a basic MATLAB operation. It is for instructional purposes. --- You may already know how to <http://www.mathworks....

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Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

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Check if number exists in vector
Return 1 if number _a_ exists in vector _b_ otherwise return 0. a = 3; b = [1,2,4]; Returns 0. a = 3; b = [1,...

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Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

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Swap the input arguments
Write a two-input, two-output function that swaps its two input arguments. For example: [q,r] = swap(5,10) returns q = ...

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